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o keep third parties away from the machine, when it is in operation.
e) Recommendations:
o workstation should be equipped with individual medical kits for treating
injuries.
o workstation should be located in a well-lit, quiet, and clean room, which
ensures that the operator can focus on their work and do it with precision.
o make sure that third parties do not have free access to the machine.
o workstation can be secured with a lathing mesh (for example) to protect it
against radio noise. Similarly, the mesh can be use to cover windows (thus
creating the Faraday cage).
o if the operator is exposed to electric shock, which results in their paralysis*,
immediately disconnect power supply (press the STOP ENERGY button on
the front panel of the oscillator, or use the CIRCUIT BREAKER switch located
on the right lateral wall of the oscillator; then, provide first aid required for
people exposed to electric shock.
10. FIRE INSTRUCTIONS
Fire hazard can result from the presence of the following products:
a) Dielectric fluid
b) Petroleum vapours and gaseous by-products that are derivatives of the anaerobic
decomposition of the dielectric fluid. The biggest fire hazard is posed by gaseous by-
products generated above the working area, as they can reach concentrations that
ignite or explode easily; the same applies to the dielectric fluid, if its ignition
temperature is exceeded.
c) If the EDM machine is operated incorrectly, e.g. because the workpiece and electrode
are not adequately cooled, or especially when there is air present in the working area
of a drilling electrode
not submerged enough.
It is absolutely forbidden to:
a) Smoke tobacco in the vicinity of the machine;
b) Use open fire, in the vicinity of the machine;
c) Store rags or other materials that could work as wicks, when near the machine;
d) Have any third parties present near the machine, if they were not trained in fire safety,
regarding EDM workstations;
e) Use the machine, if the ignition temperature of the dielectric fluid is exceeded, or if the
machine works for a long time under heavy load;
f) Use the machine, if the level and temperature sensor has not been configured
properly and activated;
g) Use the machine, if the working area is not adequately submerged (at least 3cm
below the surface of the dielectric fluid);
h) Carry out repair work or other work that may lead to damaging the tank or igniting the
dielectric fluid;
i) Modify electric or hydraulic systems, without prior consulting with ZAPbp.
Recommendations:
a) Use a separate, well-ventilated room.
b) Use the machine in a location that ensures safe exiting and disconnecting power
supply in the room, as well as access to fire-fighting equipment, in the event of fire.
c) It is recommended to prevent fluid from spilling over a large area, if there is a failure
of the dielectric supply system. Provide a directed run-off of the fluid outside the
building, or into a special tray, e.g. via a special hole.
d) It is recommended to use an additional, automatic fire suppression system.
e) It is also recommended to use a central fire suppression system in the room.
© Zakład Automatyki Przemysłowej B. P.
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petroleum;
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if it protrudes above the surface of the dielectric fluid, or it is
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